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About
One Source Building is a Florida State Certified Building and Roofing Contractor based in Jacksonville, Florida. The company holds both Certified Roofing Contractor license CCC1327703 and Certified Building Contractor license CBC058912, allowing it to take on a broad range of residential and commercial projects. One Source Building specializes in screen enclosures, patio covers, sun rooms, pool enclosures, screen room additions, structural repairs, stucco repair, and Hardie fiber cement siding. The company's roofing certification supports work on residential reroofs and related roofing projects in Northeast Florida. One Source Building serves Duval, St. Johns, Clay, Nassau, and surrounding counties. The company is known for timely project completion and direct owner communication.
Highlights
Dual-licensed as both Certified Roofing and Certified Building Contractor
Specializes in screen enclosures and patio structures throughout Northeast Florida
146 permitted projects on record
BuildZoom score of 105, top 8% of Florida contractors
Owner John Nichols known for direct communication and on-time delivery
Earned from One Source Building's verified Florida license, live Google rating, and standing in Jacksonville. Every badge links back to this profile so anyone can confirm it, and it updates automatically if the underlying status changes.
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Frequently asked
What services does One Source Building offer?
One Source Building specializes in screen enclosures, patio covers, sun rooms, pool enclosures, screen room additions, structural repairs, stucco repair, and Hardie fiber cement siding, and holds a Certified Roofing Contractor license for residential roofing work.
What counties does One Source Building serve?
One Source Building serves Duval, St. Johns, Clay, Nassau, and surrounding counties in Northeast Florida, including Jacksonville and communities such as Mandarin, Nocatee, Yulee, and Switzerland.
Is One Source Building licensed and insured in Florida?
Yes. One Source Building holds Florida Certified Roofing Contractor license CCC1327703 and Florida Certified Building Contractor license CBC058912. Both licenses were active as of July 2025.
Who owns One Source Building?
One Source Building is owned and operated by John Walton Nichols Jr., who serves as the qualifying contractor.
Does One Source Building build screen enclosures and pool enclosures?
Yes. Screen enclosures and pool enclosures are among the company's core services. Permit records show numerous completed screen room and enclosure projects across Jacksonville and surrounding areas.
Does One Source Building do custom patio covers and sunrooms?
Yes. The company builds patio covers, composite-panel screen rooms, and sun room additions, typically on existing concrete slabs or with new footings as required.
What roofing work does One Source Building perform?
With its Florida Certified Roofing Contractor license CCC1327703, One Source Building is authorized to perform residential reroofing and related roofing work throughout Florida.
Does One Source Building offer free estimates?
Contact One Source Building directly at (904) 786-7666 or by emailing builder@onesourcebuilding.com to request a project estimate.
How many projects has One Source Building completed?
Building permit records show One Source Building has worked on at least 146 permitted projects, with recent activity in 2023 and 2024.
How do I get a quote from One Source Building?
You can reach One Source Building by calling (904) 786-7666 or by emailing builder@onesourcebuilding.com to discuss your project and arrange a free estimate.
